Paintball Speed Feed for the Rotor - Mould cavity

Made a mould cavity of a generic speed feed for my rotor. A silicone mix is poured into the cavity, creating a cast of the speed feed.

Find a silicone mix with a shore hardness of 40 which is as strong as a pencil eraser.

Solidworks 2012 file uploaded for those wanting a different pattern. It is not fully defined fyi.